Failure;
Analysis;
Center;
of;
AVIC,;
Beijing;
Institute;
of;
Aeronautical;
Materials,;
Beijing;
100095,;
China;
School;
of;
Materials;
Science;
and;
Engineering,;
University;
of;
Science;
and;
Technology;
Beijing,;
Beijing;
100083,;
China;
再结晶过程; 组织演变; 动力学; 单晶高温合金; Avrami方程; 晶粒生长; 退火时间; 表观活化能;